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Finding the Fourth Proportional to 364,277.64, 502,738.98 and 221,026.44

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Solution

The fourth proportional to 364,277.64, 502,738.98 and 221,026.44 is: 305,038.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,277.64 : 502,738.98 = 221,026.44 : x
  2. Step 2: Convert to fraction form
    364,277.64/502,738.98 = 221,026.44/x
  3. Step 3: Cross multiply
    364,277.64x = 502,738.98 × 221,026.44
  4. Step 4: Simplify right side
    364,277.64x = 111,118,606,998.63
  5. Step 5: Solve for x
    x = 111,118,606,998.63/364,277.64
  6. Step 6: Final answer
    x = 305,038.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.